Published in Physics World, 13 Dec 2010
Imagine being able to walk through a solid wall. That sort of trick might sound far-fetched, but it’s a little closer to reality now that researchers in China have created what they call an “invisible gateway”.
Huanyang Chen at Soochow University, Jiangsu, says that the effect is a bit like “platform nine and three-quarters” – that is, the fictional area of King’s Cross railway station in the Harry Potter books that is only accessible through a secret, illusionary wall. Although the researchers’ current demonstration is based on an electrical circuit for radio waves, Chen claims that it could also work for visible light. […]
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